Sentences with phrase «more about carbon dioxide»

The Marshall Institute was founded in 1984 by three outstanding scientists, each of whom knew more about carbon dioxide and climate than 97 % of the IPCC authors combined:

Not exact matches

Methane is about 23 times more potent at trapping heat in our environment than carbon dioxide.

During the Eocene, the concentration of carbon dioxide in the atmosphere was more than 560 parts per million, at least twice preindustrial levels, and the epoch kicked off with a global average temperature more than 8 degrees Celsius — about 14 degrees Fahrenheit — warmer than today, gradually cooling over the next 22 million years.

«For example, [measuring] chlorophyll a will give you information about how much biological activity is going on, and eventually more information about the concentration of carbon dioxide within the ocean and the atmosphere,» said Yoshihisa Shirayama, executive director of research at the Japan Agency for Marine - Earth Science and Technology in Tokyo.

According to an analysis from Iowa State University, conventional produce travels about 1,500 miles on average to its destination, causing the release of 5 to 17 times more carbon dioxide than food from regional and local farms.

Despite the size of the bloom, however, the plankton did not take in a record - breaking amount of carbon dioxide — only about 20 % more carbon than that part of the ocean sequesters biologically each year.

But the Southern Ocean plays a more benign role in the global carbon budget: Its waters now take up about 50 % of the atmospheric carbon dioxide emitted by human activities, thanks in large part to the so - called «biological pump.»

«For comparison, the amount of carbon dioxide in the atmosphere in 2005 was about 380,000 ppbv — so carbon dioxide absorption of escaping infrared radiation is much more important,» Rowland adds.

The funny thing about Rubisco is that it first evolved in bacteria about 3 billion years ago, a time when Earth's atmosphere had more abundant carbon dioxide compared to today.

Bowen says the two relatively rapid carbon releases (about 1,500 years each) are more consistent with warming oceans or an undersea landslide triggering the melting of frozen methane on the seafloor and large emissions to the atmosphere, where it became carbon dioxide within decades.

Because methane, which makes up about 95 percent of the natural gas in pipelines, is about 25 times more potent as a greenhouse gas than carbon dioxide, the leakage raises a troubling climate question: How clean is natural gas?

«If the natural concentration had been a factor of two or more lower, the climate impacts of fossil fuel carbon dioxide release would have occurred about 50 or more years sooner, making it much more challenging for the developing human society to scientifically understand the phenomenon of humanmade climate change in time to prevent it,» he says.

Coal - burning power plants in the United States emit about 2.1 billion tons of carbon dioxide each year — nearly 17 percent of worldwide coal emissions — and finding technologies that reduce those emissions in the United States and China, which burns even more coal than we do, is crucial to combating global warming.

The crash of a NASA mission this week to monitor the flows of carbon dioxide in the atmosphere is a big blow to climate scientists hoping to learn more about the fate of CO2 streams in the air.

«This is one more reason why we need to get serious about reducing carbon dioxide emission sooner rather than later,» said Langdon.

They used two different climate models, each with a different sensitivity to carbon dioxide, to project California's future under two scenarios: an optimistic one, in which we only double the level of carbon dioxide in the atmosphere — since the 19th century we've already increased it by about a third — and a pessimistic scenario, in which we more than triple CO2.

It produces less carbon dioxide emissions than coal for electricity or gasoline and diesel for fuel, but even a small amount of natural gas release — which is essentially methane — packs a greenhouse gas punch about 30 times more powerful than the same amount of carbon dioxide.

And that manufacturing contributes to a global greenhouse gas hit of more than 200 million tons of carbon dioxide each year — the same amount about 150 coal power plants generate annually.

One of the common perceptions about the climate is that the amount of carbon dioxide in the atmosphere, solar radiation and temperature follow each other — the more solar radiation and the more carbon dioxide, the hotter the temperature.

While this represents a much smaller percentage of overall greenhouse gases than carbon dioxide, methane is about 20 times more effective at trapping heat.

But natural gas consists predominately of methane, so even small leaks from natural gas wells can create large climate concerns because methane is a potent greenhouse gas — it's about 30 times more effective at trapping solar heat than carbon dioxide over a 100 - year period.

Experiments with copepods showed that climate change can transform zooplankton into «fast food» of poor quality: The organisms that make up about 80 per cent of the zooplankton actually benefit if more phytoplankton grows because more carbon dioxide is dissolved in the water.

Data obtained from research shows that there is more carbon dioxide in the Earth's atmosphere than has ever been present in more than three - million years, and scientists are increasingly becoming more concerned about the rise in the average temperature of the Earth.

Some other statistics: About half of the world's tropical forests have been cleared (FAO) Forests currently cover about 30 percent of the world's land mass (National Geographic) Forest loss contributes between 6 percent and 12 percent of annual global carbon dioxide emissions (Nature Geoscience) About 36 football fields worth of trees lost every minute (World Wildlife Fund (WWF)-RRB- Rain Forest Threats, Rain Forest Species More than half of Earth's rain forests have already been lost forever to the insatiable human demand for wood and arable About half of the world's tropical forests have been cleared (FAO) Forests currently cover about 30 percent of the world's land mass (National Geographic) Forest loss contributes between 6 percent and 12 percent of annual global carbon dioxide emissions (Nature Geoscience) About 36 football fields worth of trees lost every minute (World Wildlife Fund (WWF)-RRB- Rain Forest Threats, Rain Forest Species More than half of Earth's rain forests have already been lost forever to the insatiable human demand for wood and arable about 30 percent of the world's land mass (National Geographic) Forest loss contributes between 6 percent and 12 percent of annual global carbon dioxide emissions (Nature Geoscience) About 36 football fields worth of trees lost every minute (World Wildlife Fund (WWF)-RRB- Rain Forest Threats, Rain Forest Species More than half of Earth's rain forests have already been lost forever to the insatiable human demand for wood and arable About 36 football fields worth of trees lost every minute (World Wildlife Fund (WWF)-RRB- Rain Forest Threats, Rain Forest Species More than half of Earth's rain forests have already been lost forever to the insatiable human demand for wood and arable land.

It was thought C3 grasses are more sensitive to carbon dioxide Read more about Plants show surprise response to more CO2 - Scimex

Over a 100 - year timeframe, methane is about 34 times as potent at trapping heat than carbon dioxide, and over 20 years, it's 86 times more potent.

Raymond Pierrehumbert, an Oxford University atmospheric physics professor who believes cutting carbon dioxide emissions is more urgent than cutting methane emissions, said Howarth's research offers little new information about the role of natural gas production in global warming.

About BIOACID: Since 2009, more than 250 BIOACID scientists from 20 German research institutes have investigated how different marine organisms respond to ocean acidification and increasing carbon dioxide concentrations in seawater, how their performance is affected during their various life stages, how these reactions impact marine food webs and elemental cycles and whether they can be mitigated by evolutionary adaptation.

The new study used calculations and models to show that the cooling from this change caused surface temperatures to increase about 25 percent more slowly than they would have otherwise, due only to the increases in carbon dioxide and other greenhouse gases.

I've restored that spectrum to its rightful place in the version below, as well as adding some more material on molecular dipoles at the beginning, since Judge Alsup (and others since) had questions about how it was that carbon dioxide molecules could act on infrared radiation over a much larger volume than the molecules themselves actually occupy.

Libby's article speaks volumes about the difficulty of moving a world that is more than 80 percent dependent on fossil fuels toward one largely free of carbon dioxide emissions from such fuels within two or three generations, even as the human population heads toward 9 billion (more or less).

There is definitely more to learn about how climate behaves and there are now data sets for ocean warming and carbon dioxide distribution that could benefit from better surface temperature measurements.

The comment, made during a Jan. 17 interview with the editorial board of The San Francisco Chronicle, essentially explains how the kind of cap and trade mechanism sought by both Mr. Obama and Senator John McCain (the latter at least in his platform, if not on the stump) would make coal combustion ever more costly (unless the world finally gets serious about investing in large - scale testing and deployment of systems for capturing and burying carbon dioxide).

I'll be writing more on the scope of what would have to happen to stop the buildup of carbon dioxide at just about any of the concentration peaks that have been tossed around lately as either «safe» or not totally calamitous.

The plants will emit about 23 million tons of carbon dioxide a year, according to the I.F.C., but using technology that is 40 percent more efficient at turning coal into kilowatt - hours than the average for India.

While a handful of projects have captured carbon dioxide, compressed it, and pumped it into the ground, they have done so on a scale of no more than about 1 million tons a year.

«This manmade global warming hoax is about two things: empowering government to run more of the private sector, and turning carbon dioxide into gold as in «carbon credits.»»

There's plenty more, including a great question about making climate - friendly fuels using carbon dioxide captured from air, posed by 14 - year - old Benji Fields (the son of a friend).

Finally, this all points to another reality — that if you care about blunting the buildup of carbon dioxide in the atmosphere, you'd better start hoping for a lot more basic science on how to capture that gas cheaply and stash it away for safekeeping.

«It's incredibly good to see people in these streets here and better to know that for every one of them there's hundreds more in every part of world, marching, holding vigils today,» said Bill McKibben, the American environmental writer who now leads 350.org, an international group promoting a low threshold for carbon dioxide in the atmosphere (350 parts per million was the concentration of the heat - trapping gas about 20 years ago; it's about 387 now).

In the first three days of the debate on the bill, according to my rough calculation, about 246 million more tons of carbon dioxide flowed into the atmosphere from human activities worldwide.

Sept. 30, 10:04 a.m. Updated There's been a steady stream of distracting commentary here and elsewhere positing that carbon dioxide, the greenhouse gas at the heart of concerns about a growing and hard - to - reverse human influence on climate, is far more ephemeral than climate scientists assert.

I've written off and on about how the divide in the United States over how quickly to curb carbon dioxide emissions has little to do with the now familiar red state versus blue state dynamic, and is more about which regions have grids and economies most wedded to coal and oil, and which don't.

Water vapor feedback can also amplify the warming effect of other greenhouse gases, such that the warming brought about by increased carbon dioxide allows more water vapor to enter the atmosphere.

Taking up more of that carbon dioxide from the emissions in the atmosphere, the oceans have become more acidic with carbonic acid (by about 30 %).

But there is an even more fundamental reason why carbon dioxide can have no effect — and you can read about it in the paper Planetary Surface Temperatures.

They find that the effects of climate change and the increasing concentration of atmospheric carbon dioxide on plants have contributed to them drawing down about 44 more grams of carbon per square metre, every year since the 1980s, compared to pre-industrial conditions.

But in Issues, analysts have identified a more fundamental problem — the social cost of carbon dioxide is the wrong guide to follow — and they proposed an alternative method that better reflects what is known about long - term effects of climate change and how these effects should be valued by today's decision - makers.

Dr Solomon and her colleagues peg the 2000 - 2009 cooling effect at about a third of the opposite effect they would expect from the carbon dioxide added over the same decade, and only a bit more than a twentieth of the warming expected from the rise in carbon dioxide since the industrial revolution.

Methane is 84 times more dangerous to our climate than carbon dioxide in the short term, and it accounts for about 25 percent of the warming we're experiencing today.